Home / 117,753,861.84-162,500,336.64-65,541,777.36

Finding the Fourth Proportional to 117,753,861.84, 162,500,336.64 and 65,541,777.36

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Solution

The fourth proportional to 117,753,861.84, 162,500,336.64 and 65,541,777.36 is: 90,447,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,861.84 : 162,500,336.64 = 65,541,777.36 : x
  2. Step 2: Convert to fraction form
    117,753,861.84/162,500,336.64 = 65,541,777.36/x
  3. Step 3: Cross multiply
    117,753,861.84x = 162,500,336.64 × 65,541,777.36
  4. Step 4: Simplify right side
    117,753,861.84x = 10,650,560,884,983,930
  5. Step 5: Solve for x
    x = 10,650,560,884,983,930/117,753,861.84
  6. Step 6: Final answer
    x = 90,447,656.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.